Insider Cluster (5 insiders) ·Filed Feb 27, 2026

AMT

AMERICAN TOWER CORP /MA/
NEUTRAL
Impact 3/10
Horizondays Processed7mo ago
Insider cluster: 2 insiders, $954K total
Actionable Insight • Neutral

Monitor for additional insider selling — current activity is within normal ranges for a large-cap REIT and likely reflects pre-scheduled divestments or tax planning, not negative sentiment.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
AMT ▼ -3.59% at T+60d
NEUTRAL call ✗ call lost -3.59% · α vs SPY -12.98% · entry $191.85 → $184.95
Entry anchored
Feb 26, 03:59 PM ET
via exchange tick
T+1d
-0.88%
call -0.88% · α -0.94%
$190.16
settled 7mo ago
T+5d
-1.77%
call -1.77% · α +0.21%
$188.45
settled 7mo ago
T+20d
-11.70%
call -11.70% · α -4.15%
$169.40
settled 6mo ago
T+60d
-3.59%
call -3.59% · α -12.98%
$184.95
settled 4mo ago

Price Chart

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Executive Summary

Two American Tower executives conducted open-market share sales totaling $954K, while three executives received non-cash stock awards totaling over 57,000 shares. The sales represent minor insider divestment, while the grants are routine compensation events.

Key Financial Metrics

Direction
selling
Total Value
$953.8K
Insiders
5

Key Facts

  • SVP & Chief Accounting Officer sold $831.7K in shares, EVP & General Counsel sold $122.1K, both in open-market transactions.
  • CEO, CFO, and General Counsel were awarded a combined 57,134 shares with no cash value, representing standard equity compensation.
  • Total open-market sales amount to $954K, or approximately 0.001% of AMT's $88.6B market cap.
  • No executives purchased shares; all buying activity was via non-cash grants.

Financial Impact

$954K in open-market sales, 57,134 shares granted (non-cash)

insider ownershipshare countcompensation expense

Risk Factors

  • Perception of insider divestment ahead of earnings or macro-sensitive sector headwinds in telecom infrastructure.
  • Equity grants may lead to future dilution, though typical for executive compensation.

Market Snapshot

Exchange
NYSE

Investment Themes

Real Estate

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (5 trades, 7d window)cluster-AMT-1772573455153
18 reports for AMT
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for AMT — sortable, filterable
TypeNow
Sep 14, 2026
17d ago
8-K
NEUTRAL ★ 4/10
$177.71 $175.25▼ −1.38%▼ −3.51%$162.01 (−8.84%)
Sep 9, 2026
23d ago
424B5
NEUTRAL ★ 4/10
$175.43 $176.39▲ +0.55%▲ +1.20%$162.01 (−7.65%)
Aug 25, 2026
5w ago
Insider Buy
NEUTRAL ★ 4/10
$178.57 $176.02▼ −1.43%▼ −0.89%$162.01 (−9.28%)
Aug 1, 2026
8w ago
Institutional Cluster
BEARISH ★ 6/10
$173.00 $169.11▲ +2.25%▲ +4.28%$162.01 (+6.36%)
Jul 31, 2026
9w ago
Insider Cluster
NEUTRAL ★ 3/10
$173.36 $172.54▼ −0.47%▼ −3.98%$162.01 (−6.55%)
Jul 28, 2026
9w ago
8-K
NEUTRAL ★ 5/10
$171.50 $173.00▲ +0.87%▼ −1.39%$162.01 (−5.54%)
Jun 4, 2026
17w ago
8-K
NEUTRAL ★ 3/10
$194.12 $187.18▼ −3.58%▼ −4.14%$162.01 (−16.54%)
May 27, 2026
18w ago
8-K
NEUTRAL ★ 3/10
$184.86 $182.05▼ −1.52%▼ −1.99%$162.01 (−12.36%)
May 21, 2026
19w ago
8-K
NEUTRAL ★ 3/10
$183.73 $186.93▲ +1.74%▲ +0.08%$162.01 (−11.82%)
May 19, 2026
19w ago
424B5
NEUTRAL ★ 4/10
$182.23 $184.86▲ +1.44%▼ −0.85%$162.01 (−11.10%)
Showing 10 of 18

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Report published Mar 3, 2026